diff options
| -rw-r--r-- | lib/spack/spack/repository.py | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/lib/spack/spack/repository.py b/lib/spack/spack/repository.py index 2c160a5f45..ae9fd7bee6 100644 --- a/lib/spack/spack/repository.py +++ b/lib/spack/spack/repository.py @@ -104,7 +104,7 @@ class RepoPath(object): self.by_namespace = NamespaceTrie() self.by_path = {} - self._all_package_names = [] + self._all_package_names = None self._provider_index = None # If repo_dirs is empty, just use the configuration @@ -163,11 +163,6 @@ class RepoPath(object): self.by_namespace[repo.full_namespace] = repo self.by_path[repo.root] = repo - # add names to the cached name list - new_pkgs = set(repo.all_package_names()) - new_pkgs.update(set(self._all_package_names)) - self._all_package_names = sorted(new_pkgs, key=lambda n:n.lower()) - def put_first(self, repo): """Add repo first in the search path.""" @@ -214,6 +209,12 @@ class RepoPath(object): def all_package_names(self): """Return all unique package names in all repositories.""" + if self._all_package_names is None: + all_pkgs = set() + for repo in self.repos: + for name in repo.all_package_names(): + all_pkgs.add(name) + self._all_package_names = sorted(all_pkgs, key=lambda n:n.lower()) return self._all_package_names @@ -682,10 +683,16 @@ class Repo(object): def exists(self, pkg_name): """Whether a package with the supplied name exists.""" - # This does a binary search in the sorted list. - idx = bisect_left(self.all_package_names(), pkg_name) - return (idx < len(self._all_package_names) and - self._all_package_names[idx] == pkg_name) + if self._all_package_names: + # This does a binary search in the sorted list. + idx = bisect_left(self.all_package_names(), pkg_name) + return (idx < len(self._all_package_names) and + self._all_package_names[idx] == pkg_name) + + # If we haven't generated the full package list, don't. + # Just check whether the file exists. + filename = self.filename_for_package_name(pkg_name) + return os.path.exists(filename) def _get_pkg_module(self, pkg_name): |